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GeForce GTX 860M vs Radeon HD 4750

Intro

The GeForce GTX 860M has a core clock frequency of 797 MHz and a GDDR5 memory frequency of 1000 MHz. It also uses a 128-bit memory bus, and makes use of a 28 nm design. It is made up of 1152 SPUs, 96 Texture Address Units, and 16 Raster Operation Units.

Compare those specifications to the Radeon HD 4750, which makes use of a 40 nm design. AMD has clocked the core speed at 730 MHz. The GDDR5 RAM is set to run at a speed of 800 MHz on this specific model. It features 640(128x5) SPUs along with 32 TAUs and 16 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 860M 45 Watts
Radeon HD 4750 75 Watts
Difference: 30 Watts (67%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 860M will be 25% faster than the Radeon HD 4750 in general, due to its greater data rate. (explain)

GeForce GTX 860M 64000 MB/sec
Radeon HD 4750 51200 MB/sec
Difference: 12800 (25%)

Texel Rate

The GeForce GTX 860M is quite a bit (more or less 228%) better at anisotropic filtering than the Radeon HD 4750. (explain)

GeForce GTX 860M 76512 Mtexels/sec
Radeon HD 4750 23360 Mtexels/sec
Difference: 53152 (228%)

Pixel Rate

The GeForce GTX 860M will be a small bit (more or less 9%) faster with regards to FSAA than the Radeon HD 4750, and capable of handling higher screen resolutions better. (explain)

GeForce GTX 860M 12752 Mpixels/sec
Radeon HD 4750 11680 Mpixels/sec
Difference: 1072 (9%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

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GeForce GTX 860M

Amazon.com

Check prices at:

Radeon HD 4750

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce GTX 860M Radeon HD 4750
Manufacturer nVidia AMD
Year March 12 2014
Code Name GM107 RV740
Memory 4096 MB 512 MB
Core Speed 797 MHz 730 MHz
Memory Speed 4000 MHz 3200 MHz
Power (Max TDP) 45 watts 75 watts
Bandwidth 64000 MB/sec 51200 MB/sec
Texel Rate 76512 Mtexels/sec 23360 Mtexels/sec
Pixel Rate 12752 Mpixels/sec 11680 Mpixels/sec
Unified Shaders 1152 640(128x5)
Texture Mapping Units 96 32
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 40 nm
Transistors (Unknown) million 826 million
Bus PCIe 3.0 x16 PCIe 2.0 x16
DirectX Version DirectX 12 DirectX 10.1
OpenGL Version OpenGL 4.5 OpenGL 3.0

Memory Bandwidth: Bandwidth is the max amount of data (in units of megabytes per second) that can be moved past the external memory interface within a second. It is worked out by multiplying the card's interface width by its memory speed. If the card has DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed in one second. This number is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly write to its local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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GeForce GTX 860M

Amazon.com

Check prices at:

Radeon HD 4750

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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